[  855.035833][T14779] netdevsim netdevsim399 eni399np1: renamed from eth0
[  855.043059][T14781] netdevsim netdevsim709 eni709np1: renamed from eth1
[  855.728005][T14767] Could not find device with ifindex 2000 in netnsfd 11
[  855.729571][T14767] Could not find netns with fd: 2000
[  855.730603][T14767] Cannot link a netdevsim to itself
[  855.731513][T14767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).